\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{imronak\_}
\pdfinfo{
  /Title (javascript-by-meta-course-2023.pdf)
  /Creator (Cheatography)
  /Author (imronak\_)
  /Subject (Javascript By Meta Course (2023) Cheat Sheet)
}

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\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Javascript By Meta Course (2023) Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{imronak\_} via \textcolor{DarkBackground}{\uline{cheatography.com/182087/cs/37864/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}imronak\_ \\
  \uline{cheatography.com/imronak} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 23rd March, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{4}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Methods of Objects}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{charAt()  \newline  \newline concat()  \newline  \newline indexOf()  \newline  \newline lastIndexOf()  \newline  \newline split()  \newline  \newline toUpperCase()  \newline  \newline toLowerCase()}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Math Object}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{The PI number: {\bf{Math.PI}} which is approximately {\bf{3.14159}} \newline % Row Count 2 (+ 2)
The Euler's constant: {\bf{Math.E}} which is approximately {\bf{2.718}} \newline % Row Count 4 (+ 2)
The natural logarithm of 2: {\bf{Math.LN2}} which is approximately {\bf{0.693}} \newline % Row Count 6 (+ 2)
\seqsplit{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_} \newline % Row Count 8 (+ 2)
 {\bf{Math.ceil()}} - rounds up to the closest integer  \newline % Row Count 10 (+ 2)
 {\bf{Math.floor()}} - rounds down to the closest integer  \newline % Row Count 12 (+ 2)
{\bf{Math.round()}} - rounds up to the closest integer if the decimal is .5 or above; otherwise, rounds down to the closest integer  \newline % Row Count 15 (+ 3)
{\bf{Math.trunc()}} - trims the decimal, leaving only the integer \newline % Row Count 17 (+ 2)
\seqsplit{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_} \newline % Row Count 19 (+ 2)
{\bf{non-conclusive list of some common arithmetic and calculus methods that exist on the Math object: }} \newline % Row Count 22 (+ 3)
{\bf{Math.pow}}(2,3) - calculates the number 2 to the power of 3, the result is 8  \newline % Row Count 24 (+ 2)
{\bf{Math.sqrt}}(16) - calculates the square root of 16, the result is 4  \newline % Row Count 26 (+ 2)
{\bf{Math.cbrt}}(8) - finds the cube root of 8, the result is 2  \newline % Row Count 28 (+ 2)
{\bf{Math.abs}}(-10) - returns the absolute value, the result is 10  \newline % Row Count 30 (+ 2)
} \tn 
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Math Object (cont)}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{Logarithmic methods: {\bf{Math.log()}}, {\bf{Math.log2()}}, {\bf{Math.log10() }} \newline % Row Count 2 (+ 2)
Return the minimum and maximum values of all the inputs: {\bf{Math.min}}(9,8,7) returns 7, {\bf{Math.max}}(9,8,7) returns 9. \newline % Row Count 5 (+ 3)
 Trigonometric methods: {\bf{Math.sin()}}, {\bf{Math.cos()}}, {\bf{Math.tan()}}, etc.% Row Count 7 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}